Low-grade ores are undesirable because extracting the metals requires more energy per pound than ...

Author Question: Low-grade ores are undesirable because extracting the metals requires more energy per pound than ... (Read 102 times)

folubunmi

Hero Member
Posts: 524

on: Aug 27, 2018

Low-grade ores are undesirable because extracting the metals requires more energy per pound than high-grade ores.

Indicate whether the statement is true or false

Question 2

Human cells obtain energy by

A) oxidizing carbohydrates.
B) reducing proteins.
C) reducing carbon dioxide.
D) absorbing sunlight.

brbarasa

Sr. Member
Posts: 308

Reply #1 on: Aug 27, 2018

Answer to Question 1

TRUE

Answer to Question 2

A

Need homework help now?

Ask unlimited questions for free

Ask a Question

folubunmi

Hero Member
Posts: 524

Reply #2 on: Aug 27, 2018

Thank you!

brbarasa

Sr. Member
Posts: 308

Reply #3 on: Aug 27, 2018

Always glad to help...

« previous next »

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.